fix: 随机选择反代IP以增强代理请求的安全性

_worker.js

@@ -1074,10 +1074,12 @@ async function 反代参数获取(request) {
     // 统一处理反代IP参数 (优先级最高,使用正则一次匹配)
     const proxyMatch = pathLower.match(/\/(proxyip[.=]|pyip=|ip=)(.+)/);
     if (searchParams.has('proxyip')) {
-        反代IP = searchParams.get('proxyip');
+        const 路参IP = searchParams.get('proxyip');
+        反代IP = 路参IP.includes(',') ? 路参IP.split(',')[Math.floor(Math.random() * 路参IP.split(',').length)] : 路参IP;
         return;
     } else if (proxyMatch) {
-        反代IP = proxyMatch[1] === 'proxyip.' ? `proxyip.${proxyMatch[2]}` : proxyMatch[2];
+        const 路参IP = proxyMatch[1] === 'proxyip.' ? `proxyip.${proxyMatch[2]}` : proxyMatch[2];
+        反代IP = 路参IP.includes(',') ? 路参IP.split(',')[Math.floor(Math.random() * 路参IP.split(',').length)] : 路参IP;
         return;
     }